mirror of
https://github.com/denoland/deno.git
synced 2024-12-22 23:34:47 -05:00
359 lines
9 KiB
Rust
359 lines
9 KiB
Rust
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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#[macro_use]
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extern crate lazy_static;
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#[macro_use]
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extern crate log;
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#[macro_use]
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extern crate futures;
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#[macro_use]
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extern crate serde_json;
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extern crate clap;
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extern crate deno;
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extern crate indexmap;
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#[cfg(unix)]
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extern crate nix;
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extern crate rand;
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mod ansi;
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pub mod compiler;
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pub mod deno_dir;
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pub mod diagnostics;
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mod dispatch_minimal;
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pub mod errors;
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pub mod flags;
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mod fs;
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mod global_timer;
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mod http_body;
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mod http_util;
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mod import_map;
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pub mod js_errors;
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pub mod msg;
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pub mod msg_util;
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pub mod ops;
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pub mod permissions;
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mod progress;
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mod repl;
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pub mod resolve_addr;
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pub mod resources;
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mod signal;
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mod startup_data;
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pub mod state;
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mod tokio_util;
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mod tokio_write;
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pub mod version;
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pub mod worker;
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use crate::compiler::bundle_async;
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use crate::errors::RustOrJsError;
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use crate::progress::Progress;
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use crate::state::ThreadSafeState;
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use crate::worker::root_specifier_to_url;
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use crate::worker::Worker;
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use deno::v8_set_flags;
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use flags::DenoFlags;
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use flags::DenoSubcommand;
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use futures::future;
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use futures::lazy;
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use futures::Future;
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use log::{LevelFilter, Metadata, Record};
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use std::env;
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static LOGGER: Logger = Logger;
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struct Logger;
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impl log::Log for Logger {
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fn enabled(&self, metadata: &Metadata) -> bool {
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metadata.level() <= log::max_level()
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}
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fn log(&self, record: &Record) {
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if self.enabled(record.metadata()) {
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let mut target = record.target().to_string();
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if let Some(line_no) = record.line() {
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target.push_str(":");
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target.push_str(&line_no.to_string());
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}
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println!("{} RS - {} - {}", record.level(), target, record.args());
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}
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}
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fn flush(&self) {}
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}
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fn print_err_and_exit(err: RustOrJsError) {
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eprintln!("{}", err.to_string());
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std::process::exit(1);
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}
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fn js_check<E>(r: Result<(), E>)
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where
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E: Into<RustOrJsError>,
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{
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if let Err(err) = r {
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print_err_and_exit(err.into());
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}
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}
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pub fn print_file_info(
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worker: Worker,
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url: &str,
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) -> impl Future<Item = Worker, Error = ()> {
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state::fetch_module_meta_data_and_maybe_compile_async(&worker.state, url, ".")
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.and_then(move |out| {
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println!("{} {}", ansi::bold("local:".to_string()), &(out.filename));
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println!(
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"{} {}",
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ansi::bold("type:".to_string()),
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msg::enum_name_media_type(out.media_type)
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);
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if out.maybe_output_code_filename.is_some() {
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println!(
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"{} {}",
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ansi::bold("compiled:".to_string()),
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out.maybe_output_code_filename.as_ref().unwrap(),
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);
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}
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if out.maybe_source_map_filename.is_some() {
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println!(
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"{} {}",
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ansi::bold("map:".to_string()),
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out.maybe_source_map_filename.as_ref().unwrap()
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);
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}
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if let Some(deps) =
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worker.state.modules.lock().unwrap().deps(&out.module_name)
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{
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println!("{}{}", ansi::bold("deps:\n".to_string()), deps.name);
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if let Some(ref depsdeps) = deps.deps {
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for d in depsdeps {
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println!("{}", d);
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}
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}
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} else {
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println!(
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"{} cannot retrieve full dependency graph",
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ansi::bold("deps:".to_string()),
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);
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}
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Ok(worker)
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}).map_err(|err| println!("{}", err))
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}
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fn create_worker_and_state(
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flags: DenoFlags,
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argv: Vec<String>,
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) -> (Worker, ThreadSafeState) {
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let progress = Progress::new();
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progress.set_callback(|done, completed, total, msg| {
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if !done {
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eprint!("\r[{}/{}] {}", completed, total, msg);
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eprint!("\x1B[K"); // Clear to end of line.
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return;
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}
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// print empty line only if progress bar was used
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if done && total > 0 {
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eprintln!();
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}
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});
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let state = ThreadSafeState::new(flags, argv, ops::op_selector_std, progress);
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let worker = Worker::new(
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"main".to_string(),
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startup_data::deno_isolate_init(),
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state.clone(),
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);
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(worker, state)
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}
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fn types_command() {
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let content = include_str!(concat!(
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env!("GN_OUT_DIR"),
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"/gen/cli/lib/lib.deno_runtime.d.ts"
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));
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println!("{}", content);
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}
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fn fetch_or_info_command(
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flags: DenoFlags,
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argv: Vec<String>,
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print_info: bool,
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) {
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let (mut worker, state) = create_worker_and_state(flags, argv);
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let main_module = state.main_module().unwrap();
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let main_future = lazy(move || {
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// Setup runtime.
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js_check(worker.execute("denoMain()"));
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debug!("main_module {}", main_module);
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let main_url = root_specifier_to_url(&main_module).unwrap();
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worker
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.execute_mod_async(&main_url, true)
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.map_err(print_err_and_exit)
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.and_then(move |()| {
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if print_info {
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future::Either::A(print_file_info(worker, &main_module))
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} else {
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future::Either::B(future::ok(worker))
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}
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}).and_then(|worker| {
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worker.then(|result| {
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js_check(result);
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Ok(())
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})
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})
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});
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tokio_util::run(main_future);
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}
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fn eval_command(flags: DenoFlags, argv: Vec<String>) {
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let (mut worker, state) = create_worker_and_state(flags, argv);
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// Wrap provided script in async function so asynchronous methods
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// work. This is required until top-level await is not supported.
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let js_source = format!(
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"async function _topLevelWrapper(){{
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{}
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}}
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_topLevelWrapper();
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",
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&state.argv[1]
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);
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let main_future = lazy(move || {
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js_check(worker.execute("denoMain()"));
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// ATM imports in `deno eval` are not allowed
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// TODO Support ES modules once Worker supports evaluating anonymous modules.
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js_check(worker.execute(&js_source));
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worker.then(|result| {
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js_check(result);
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Ok(())
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})
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});
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tokio_util::run(main_future);
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}
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fn xeval_command(flags: DenoFlags, argv: Vec<String>) {
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let xeval_replvar = flags.xeval_replvar.clone().unwrap();
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let (mut worker, state) = create_worker_and_state(flags, argv);
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let xeval_source = format!(
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"window._xevalWrapper = async function ({}){{
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{}
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}}",
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&xeval_replvar, &state.argv[1]
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);
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let main_future = lazy(move || {
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// Setup runtime.
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js_check(worker.execute(&xeval_source));
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js_check(worker.execute("denoMain()"));
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worker
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.then(|result| {
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js_check(result);
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Ok(())
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}).map_err(|(err, _worker): (RustOrJsError, Worker)| {
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print_err_and_exit(err)
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})
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});
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tokio_util::run(main_future);
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}
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fn bundle_command(flags: DenoFlags, argv: Vec<String>) {
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let (mut _worker, state) = create_worker_and_state(flags, argv);
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let main_module = state.main_module().unwrap();
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let main_url = root_specifier_to_url(&main_module).unwrap();
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assert!(state.argv.len() >= 3);
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let out_file = state.argv[2].clone();
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debug!(">>>>> bundle_async START");
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let bundle_future = bundle_async(state, main_url.to_string(), out_file)
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.map_err(|e| {
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debug!("diagnostics returned, exiting!");
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eprintln!("\n{}", e.to_string());
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std::process::exit(1);
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}).and_then(move |_| {
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debug!(">>>>> bundle_async END");
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Ok(())
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});
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tokio_util::run(bundle_future);
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}
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fn run_repl(flags: DenoFlags, argv: Vec<String>) {
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let (mut worker, _state) = create_worker_and_state(flags, argv);
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// REPL situation.
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let main_future = lazy(move || {
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// Setup runtime.
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js_check(worker.execute("denoMain()"));
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worker
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.then(|result| {
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js_check(result);
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Ok(())
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}).map_err(|(err, _worker): (RustOrJsError, Worker)| {
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print_err_and_exit(err)
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})
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});
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tokio_util::run(main_future);
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}
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fn run_script(flags: DenoFlags, argv: Vec<String>) {
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let (mut worker, state) = create_worker_and_state(flags, argv);
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let main_module = state.main_module().unwrap();
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// Normal situation of executing a module.
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let main_future = lazy(move || {
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// Setup runtime.
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js_check(worker.execute("denoMain()"));
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debug!("main_module {}", main_module);
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let main_url = root_specifier_to_url(&main_module).unwrap();
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worker
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.execute_mod_async(&main_url, false)
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.and_then(move |()| {
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worker.then(|result| {
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js_check(result);
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Ok(())
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})
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}).map_err(print_err_and_exit)
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});
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tokio_util::run(main_future);
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}
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fn main() {
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#[cfg(windows)]
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ansi_term::enable_ansi_support().ok(); // For Windows 10
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log::set_logger(&LOGGER).unwrap();
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let args: Vec<String> = env::args().collect();
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let (flags, subcommand, argv) = flags::flags_from_vec(args);
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if let Some(ref v8_flags) = flags.v8_flags {
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v8_set_flags(v8_flags.clone());
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}
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log::set_max_level(if flags.log_debug {
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LevelFilter::Debug
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} else {
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LevelFilter::Warn
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});
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match subcommand {
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DenoSubcommand::Bundle => bundle_command(flags, argv),
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DenoSubcommand::Eval => eval_command(flags, argv),
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DenoSubcommand::Fetch => fetch_or_info_command(flags, argv, false),
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DenoSubcommand::Info => fetch_or_info_command(flags, argv, true),
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DenoSubcommand::Repl => run_repl(flags, argv),
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DenoSubcommand::Run => run_script(flags, argv),
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DenoSubcommand::Types => types_command(),
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DenoSubcommand::Version => run_repl(flags, argv),
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DenoSubcommand::Xeval => xeval_command(flags, argv),
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}
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}
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